Patrum Apostolicorum Opera [Apostolic Fathers].
Tubingae: Henrici Laupp, 1855. Hardcover. 8.5" x 5.25". 470pp. Full mottled calf with gilt borders, gilt spine in compartments, black leather spine label. Some light wear to boards, else a VG+ copy. Part of Hefele's important work on the Apostolic fathers, in Greek and Latin.